NGC 2645 is an open cluster in Vela
NGC 2645 (ESO 259-014, MWSC 1520) is an open cluster in the constellation Vela . It shines at magnitude 7.3 and spans 6.6′. It is best in a small telescope, 4 to 6 inches, and it is highest in the evening sky in March.
Open cluster: a loose group of a few dozen to a few thousand young stars born together from one cloud of gas. They drift apart over a few hundred million years and lie in the disk of the Milky Way.
Finding NGC 2645 from γ2 Vel
γ2 Vel
NGC 2645
VELA
NGC 2645 lies 5.2° east of γ2 Vel , the magnitude 1.8 star. Three fingers held at arm's length cover about 5°.
NGC 2645 is highest in the evening in March
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
60°N
JAN at 60°N: -27° high at 9 pm FEB at 60°N: -19° high at 9 pm MAR at 60°N: -16° high at 9 pm APR at 60°N: -19° high at 9 pm MAY at 60°N: -26° high at 9 pm JUN at 60°N: -38° high at 9 pm JUL at 60°N: -52° high at 9 pm AUG at 60°N: -67° high at 9 pm SEP at 60°N: -76° high at 9 pm OCT at 60°N: -68° high at 9 pm NOV at 60°N: -53° high at 9 pm DEC at 60°N: -39° high at 9 pm 50°N
JAN at 50°N: -19° high at 9 pm FEB at 50°N: -10° high at 9 pm MAR at 50°N: -6° high at 9 pm APR at 50°N: -9° high at 9 pm MAY at 50°N: -19° high at 9 pm JUN at 50°N: -33° high at 9 pm JUL at 50°N: -50° high at 9 pm AUG at 50°N: -69° high at 9 pm SEP at 50°N: -86° high at 9 pm OCT at 50°N: -70° high at 9 pm NOV at 50°N: -51° high at 9 pm DEC at 50°N: -34° high at 9 pm 40°N
JAN at 40°N: -12° high at 9 pm FEB at 40°N: -0° high at 9 pm MAR at 40°N: 4° high at 9 pm APR at 40°N: 0° high at 9 pm MAY at 40°N: -11° high at 9 pm JUN at 40°N: -27° high at 9 pm JUL at 40°N: -46° high at 9 pm AUG at 40°N: -67° high at 9 pm SEP at 40°N: -84° high at 9 pm OCT at 40°N: -68° high at 9 pm NOV at 40°N: -47° high at 9 pm DEC at 40°N: -28° high at 9 pm 30°N
JAN at 30°N: -4° high at 9 pm FEB at 30°N: 9° high at 9 pm MAR at 30°N: 14° high at 9 pm APR at 30°N: 10° high at 9 pm MAY at 30°N: -3° high at 9 pm JUN at 30°N: -20° high at 9 pm JUL at 30°N: -40° high at 9 pm AUG at 30°N: -61° high at 9 pm SEP at 30°N: -74° high at 9 pm OCT at 30°N: -62° high at 9 pm NOV at 30°N: -42° high at 9 pm DEC at 30°N: -22° high at 9 pm 20°N
JAN at 20°N: 4° high at 9 pm FEB at 20°N: 19° high at 9 pm MAR at 20°N: 24° high at 9 pm APR at 20°N: 19° high at 9 pm MAY at 20°N: 6° high at 9 pm JUN at 20°N: -13° high at 9 pm JUL at 20°N: -34° high at 9 pm AUG at 20°N: -53° high at 9 pm SEP at 20°N: -64° high at 9 pm OCT at 20°N: -55° high at 9 pm NOV at 20°N: -35° high at 9 pm DEC at 20°N: -15° high at 9 pm 10°N
JAN at 10°N: 12° high at 9 pm FEB at 10°N: 28° high at 9 pm MAR at 10°N: 34° high at 9 pm APR at 10°N: 28° high at 9 pm MAY at 10°N: 14° high at 9 pm JUN at 10°N: -6° high at 9 pm JUL at 10°N: -27° high at 9 pm AUG at 10°N: -45° high at 9 pm SEP at 10°N: -54° high at 9 pm OCT at 10°N: -46° high at 9 pm NOV at 10°N: -28° high at 9 pm DEC at 10°N: -8° high at 9 pm 0°
JAN at 0°: 20° high at 9 pm FEB at 0°: 37° high at 9 pm MAR at 0°: 44° high at 9 pm APR at 0°: 37° high at 9 pm MAY at 0°: 21° high at 9 pm JUN at 0°: 1° high at 9 pm JUL at 0°: -19° high at 9 pm AUG at 0°: -36° high at 9 pm SEP at 0°: -44° high at 9 pm OCT at 0°: -37° high at 9 pm NOV at 0°: -21° high at 9 pm DEC at 0°: -1° high at 9 pm 10°S
JAN at 10°S: 28° high at 9 pm FEB at 10°S: 46° high at 9 pm MAR at 10°S: 54° high at 9 pm APR at 10°S: 46° high at 9 pm MAY at 10°S: 29° high at 9 pm JUN at 10°S: 8° high at 9 pm JUL at 10°S: -11° high at 9 pm AUG at 10°S: -27° high at 9 pm SEP at 10°S: -34° high at 9 pm OCT at 10°S: -28° high at 9 pm NOV at 10°S: -13° high at 9 pm DEC at 10°S: 7° high at 9 pm 20°S
JAN at 20°S: 35° high at 9 pm FEB at 20°S: 54° high at 9 pm MAR at 20°S: 64° high at 9 pm APR at 20°S: 55° high at 9 pm MAY at 20°S: 36° high at 9 pm JUN at 20°S: 15° high at 9 pm JUL at 20°S: -3° high at 9 pm AUG at 20°S: -18° high at 9 pm SEP at 20°S: -24° high at 9 pm OCT at 20°S: -19° high at 9 pm NOV at 20°S: -5° high at 9 pm DEC at 20°S: 14° high at 9 pm 30°S
JAN at 30°S: 41° high at 9 pm FEB at 30°S: 62° high at 9 pm MAR at 30°S: 74° high at 9 pm APR at 30°S: 63° high at 9 pm MAY at 30°S: 43° high at 9 pm JUN at 30°S: 22° high at 9 pm JUL at 30°S: 4° high at 9 pm AUG at 30°S: -9° high at 9 pm SEP at 30°S: -14° high at 9 pm OCT at 30°S: -9° high at 9 pm NOV at 30°S: 3° high at 9 pm DEC at 30°S: 21° high at 9 pm 40°S
JAN at 40°S: 47° high at 9 pm FEB at 40°S: 68° high at 9 pm MAR at 40°S: 84° high at 9 pm APR at 40°S: 68° high at 9 pm MAY at 40°S: 48° high at 9 pm JUN at 40°S: 28° high at 9 pm JUL at 40°S: 12° high at 9 pm AUG at 40°S: 1° high at 9 pm SEP at 40°S: -4° high at 9 pm OCT at 40°S: 0° high at 9 pm NOV at 40°S: 11° high at 9 pm DEC at 40°S: 27° high at 9 pm
below horizon
low
20-40°
40-60°
overhead-ish
The chart gives its height above the horizon at 9 pm through the year, from 60°N to 40°S. It can be seen from the whole southern hemisphere and north to about 44°N, and never sets south of 44°S.
The distance to NGC 2645 is not well measured
No reliable distance has been measured for it yet.
Objects within 6° of NGC 2645
8 NGC and IC objects lie within 6°. The nearest that are brighter than magnitude 12.5 or have their own page:
NGC 2660, open cluster, 1.2° NGC 2659, open cluster, 1.4° IC 2395, open cluster, 2.0° NGC 2670, open cluster, 2.8° NGC 2736 Pencil Nebula, H II region, 3.7° NGC 2671, open cluster, 4.5° NGC 2547, open cluster, 5.7°
NGC 2645 catalog data
Field Value
Constellation Vela Designations NGC 2645, ESO 259-014, MWSC 1520 Type open cluster Right ascension (J2000) 08h 39.1m Declination (J2000) -46° 14′ Magnitude 7.3 (B 7.5) Apparent size 6.6′ Radial velocity 17 km/s Best with Small telescope Best month March Catalog page NGC 2501 to 3000
